146505228 has 12 divisors (see below), whose sum is σ = 341845560. Its totient is φ = 48835072.

The previous prime is 146505199. The next prime is 146505241. The reversal of 146505228 is 822505641.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6104373 + ... + 6104396.

It is an arithmetic number, because the mean of its divisors is an integer number (28487130).

Almost surely, 2^146505228 is an apocalyptic number.

It is an amenable number.

146505228 is an abundant number, since it is smaller than the sum of its proper divisors (195340332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146505228 is a wasteful number, since it uses less digits than its factorization.

146505228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12208776 (or 12208774 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 146505228 is about 12103.9344016729. The cubic root of 146505228 is about 527.1704288153.

The spelling of 146505228 in words is "one hundred forty-six million, five hundred five thousand, two hundred twenty-eight".